CN114808695B - Supporting anchor cable and fixing structure - Google Patents

Supporting anchor cable and fixing structure Download PDF

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Publication number
CN114808695B
CN114808695B CN202210412249.8A CN202210412249A CN114808695B CN 114808695 B CN114808695 B CN 114808695B CN 202210412249 A CN202210412249 A CN 202210412249A CN 114808695 B CN114808695 B CN 114808695B
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China
Prior art keywords
locking ring
ring
auxiliary
main
steel strands
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CN202210412249.8A
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CN114808695A (en
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李瑞楼
张超
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Shendong Coal Branch of China Shenhua Energy Co Ltd
Guoneng Shendong Coal Group Co Ltd
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Shendong Coal Branch of China Shenhua Energy Co Ltd
Guoneng Shendong Coal Group Co Ltd
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Publication of CN114808695A publication Critical patent/CN114808695A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/14Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/30Miscellaneous comprising anchoring details

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Piles And Underground Anchors (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Abstract

The invention provides a supporting anchor cable and a fixing structure, wherein the supporting anchor cable comprises: an inner steel strand; the outer steel strands are arranged at intervals along the circumferential direction of the inner steel strand; the locking structure comprises a main locking ring, an auxiliary locking ring and an inner locking ring, wherein two ends of the main locking ring are detachably connected with two ends of the auxiliary locking ring respectively, a plurality of outer steel strands penetrate through a cavity formed by the main locking ring and the auxiliary locking ring in a surrounding mode, the main locking ring and the auxiliary locking ring clamp a plurality of outer steel strands, one end of the inner locking ring is connected with the main locking ring, the other end of the inner locking ring penetrates through the auxiliary locking ring, and the inner steel strands penetrate through the inner locking ring and are in interference fit with the inner locking ring. This scheme adopts mutually independent main locking ring and vice locking ring to through setting up interior locking ring and interior steel strand wires interference fit, compare in traditional ring tooth mode, the difficult condition that drops appears, guaranteed stability and reliability of structure more.

Description

Supporting anchor cable and fixing structure
Technical Field
The invention relates to the technical field of engineering brackets, in particular to a supporting anchor cable and a fixing structure.
Background
The anchor cable refers to the anchor cable which is divided into a plurality of steel bundles to be respectively anchored in an anchor ingot when the main cable is anchored in a side hole in a suspension bridge. The anchor cable is a prestress steel strand which passes through the sliding surface of the side slope in a stable rock body with the outer end fixed on the slope and the other end anchored in the sliding surface, and the anti-sliding resistance is directly generated on the sliding surface, so that the anti-sliding friction resistance is increased, the structural surface is in a compressed state, and the integrity of the rock body of the side slope is improved, thereby fundamentally improving the mechanical property of the rock body, effectively controlling the displacement of the rock body, promoting the stability of the rock body and achieving the purposes of repairing a smooth layer, a landslide, dangerous rock and dangerous rock.
The structure of the anchor cable generally comprises a steel strand, a backing plate, a lock, ring teeth, a blocking hoop and other structures, when the anchor cable is installed and fixed, holes are drilled in soil layers, then resin rolls are added into the holes, the anchor cable is drilled into the holes by a drilling machine, and meanwhile the ring teeth are used for breaking the resin rolls, so that the anchor cable is filled at the bottoms of the holes.
However, the existing anchor grommet teeth are generally fixed on the steel twisted wire in a spot welding mode, and the existing anchor grommet teeth are possibly separated due to weak welding when being installed and fixed, so that the working progress is affected; in addition, the anchor cable is generally matched with anchor rods to be distributed at intervals in the linear direction when in use, so that the soil layer in the linear direction is easily damaged, and collapse is caused.
Disclosure of Invention
The invention provides a supporting anchor cable and a fixing structure, which are used for optimizing the structural strength of the supporting anchor cable in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a support cable comprising: an inner steel strand; the outer steel strands are arranged at intervals along the circumferential direction of the inner steel strand; the locking structure comprises a main locking ring, an auxiliary locking ring and an inner locking ring, wherein two ends of the main locking ring are detachably connected with two ends of the auxiliary locking ring respectively, a plurality of outer steel strands penetrate through a cavity formed by the main locking ring and the auxiliary locking ring in a surrounding mode, the main locking ring and the auxiliary locking ring clamp a plurality of outer steel strands, one end of the inner locking ring is connected with the main locking ring, the other end of the inner locking ring penetrates through the auxiliary locking ring, and the inner steel strands penetrate through the inner locking ring and are in interference fit with the inner locking ring.
Further, the inner locking ring comprises a first connecting piece, a lantern ring and a second connecting piece which are sequentially connected, the first connecting piece is connected with the inner wall of the main locking ring, the inner steel strand penetrates through the lantern ring and is in interference fit with the lantern ring, and the second connecting piece penetrates through the auxiliary locking ring.
Further, the main locking ring comprises a main arc-shaped plate, a first installation block and a second installation block which are respectively arranged at two ends of the main arc-shaped plate, the auxiliary locking ring comprises an auxiliary arc-shaped plate, a third installation block and a fourth installation block which are respectively arranged at two ends of the auxiliary arc-shaped plate, the first installation block and the third installation block are detachably connected, and the second installation block and the fourth installation block are detachably connected.
Further, the locking structure further comprises convex teeth arranged on the outer wall of the main locking ring.
Further, the supporting anchor cable further comprises a first base plate, the first base plate is provided with an avoidance hole and an annular groove, the inner steel stranded wire and the plurality of outer steel stranded wires all penetrate through the avoidance hole, the supporting anchor cable further comprises a plurality of first connecting blocks, the first connecting blocks are slidably arranged in the annular groove, and the plurality of first connecting blocks are arranged at intervals in the circumferential direction of the annular groove.
Further, the first connecting block comprises a first sliding block and an annular piece which are connected with each other, the first sliding block is slidably arranged in the annular groove, the annular piece is positioned outside the annular groove, and the annular piece is used for being connected with an external steel rope.
Further, the supporting anchor cable further comprises a first lock, the inner steel strand and the plurality of outer steel strands penetrate through the first lock, the first lock and the first backing plate are abutted against one side of the locking structure, and one ends of the inner steel strand and the plurality of outer steel strands are locked by the first lock.
Further, the supporting anchor cable further comprises a blocking hoop, the blocking hoop is sleeved on the plurality of outer steel strands, the inner wall of the blocking hoop is fixedly connected with the outer wall of at least one outer steel strand, and the blocking hoop is located between the locking structure and the first backing plate.
According to another aspect of the invention, there is provided a fixing structure, which comprises an anchor rod, a metal net and the supporting anchor cable, wherein one end of the anchor rod is connected with the metal net, one end of the supporting anchor cable is connected with the metal net, the anchor rod and the supporting anchor cable are multiple, and two adjacent anchor rods and adjacent supporting anchor cables are distributed in a triangle shape.
Further, the stock includes the body of rod and overlaps second backing plate and the second tool to lock of establishing on the body of rod, and the second backing plate has first arc wall and the second arc wall that distributes along body of rod circumference, and one side butt of second tool to lock and second backing plate, the one end locking of the body of rod is locked to the second tool to lock.
Further, the stock still includes second connecting block and third connecting block, and the one end of second connecting block slidable sets up in first arc wall, and the other end of second connecting block is used for being connected with outside cable wire, and the one end of third connecting block slidable sets up in the second arc wall, and the other end of third connecting block is used for being connected with outside cable wire.
Further, the fixing structure further comprises a first mounting ring and a second mounting ring which are distributed on the metal net, one end of an inner steel strand in the supporting anchor cable is in sliding fit with the first mounting ring, and one end of the rod body is in sliding fit with the second mounting ring; the supporting anchor cable further comprises a first baffle, the first baffle is fixedly connected with the inner steel strand, and the first baffle is matched with the first mounting ring stop; the stock still includes the second baffle, and second baffle and body of rod fixed connection, second baffle and second collar backstop cooperation.
By applying the technical scheme of the invention, the invention provides a supporting anchor cable, which comprises the following components: an inner steel strand; the outer steel strands are arranged at intervals along the circumferential direction of the inner steel strand; the locking structure comprises a main locking ring, an auxiliary locking ring and an inner locking ring, wherein two ends of the main locking ring are detachably connected with two ends of the auxiliary locking ring respectively, a plurality of outer steel strands penetrate through a cavity formed by the main locking ring and the auxiliary locking ring in a surrounding mode, the main locking ring and the auxiliary locking ring clamp a plurality of outer steel strands, one end of the inner locking ring is connected with the main locking ring, the other end of the inner locking ring penetrates through the auxiliary locking ring, and the inner steel strands penetrate through the inner locking ring and are in interference fit with the inner locking ring. By adopting the scheme, the inner steel strand passes through the inner locking ring and is in interference fit with the inner locking ring, so that the inner steel strand can be limited in the inner locking ring, and the inner locking ring and the inner steel strand are connected more stably and reliably; one end of the inner locking ring is connected with the main locking ring, and the other end of the inner locking ring penetrates through the auxiliary locking ring, so that the two ends of the inner locking ring are conveniently fixed; the main locking ring and the auxiliary locking ring are detachably connected, the main locking ring and the auxiliary locking ring are used for clamping a plurality of outer steel strands, the main locking ring and the auxiliary locking ring which are mutually independent are adopted, and the inner locking ring and the inner steel strands are arranged in an interference fit manner, so that the novel steel strand clamping device is compared with a traditional ring tooth mode, and is not easy to fall off, and the stability and the reliability of the structure are ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 shows a schematic structural view of a supporting anchor cable according to a first embodiment of the present invention;
FIG. 2 shows an enlarged view of a portion of FIG. 1A;
figure 3 shows a front view of the support cable of figure 1;
figure 4 shows a cross-sectional view of the support cable of figure 3;
figure 5 shows a side view of the support cable of figure 4;
figure 6 shows a cross-sectional view of the support cable of figure 5;
FIG. 7 shows a partial enlarged view of B in FIG. 6;
fig. 8 is a schematic structural diagram of a fixing structure according to a second embodiment of the present invention;
FIG. 9 shows a front view of the securing structure of FIG. 8;
fig. 10 shows a schematic view of the construction of the anchor rod of fig. 8.
Wherein the above figures include the following reference numerals:
10. an inner steel strand; 20. an outer steel strand; 30. a locking structure; 31. a main locking ring; 311. a main arc plate; 312. a first mounting block; 313. a second mounting block; 32. an auxiliary locking ring; 321. a secondary arc plate; 322. a third mounting block; 323. a fourth mounting block; 33. an inner locking ring; 331. a first connector; 332. a collar; 333. a second connector; 34. convex teeth; 40. a first backing plate; 41. an annular groove; 42. a reinforcing block; 50. a first connection block; 51. a first slider; 52. a ring member; 60. a first lock; 70. a blocking hoop; 80. a first baffle; 91. a bolt; 911. a rod body; 912. a second backing plate; 9121. a first arc-shaped groove; 9122. a second arc-shaped groove; 913. a second lock; 914. a second connection block; 915. a second baffle; 92. a metal mesh; 93. a first mounting ring; 94. and a second mounting ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 7, a first embodiment of the present invention provides a supporting cable, comprising: an inner steel strand 10; a plurality of outer steel strands 20, the plurality of outer steel strands 20 being arranged at intervals along the circumferential direction of the inner steel strand 10; the locking structure 30, the locking structure 30 includes main locking ring 31, vice locking ring 32 and interior locking ring 33, the both ends of main locking ring 31 can dismantle with the both ends of vice locking ring 32 respectively and be connected, a plurality of outer steel strand wires 20 pass main locking ring 31 and vice locking ring 32 around the cavity that forms, main locking ring 31 and vice locking ring 32 press from both sides tight a plurality of outer steel strand wires 20, the one end and the main locking ring 31 of interior locking ring 33 are connected, the other end of interior locking ring 33 passes vice locking ring 32, interior steel strand wires 10 pass interior locking ring 33 and with interior locking ring 33 interference fit.
By adopting the scheme, the inner steel strand 10 passes through the inner locking ring 33 and is in interference fit with the inner locking ring 33, so that the inner steel strand 10 can be limited in the inner locking ring 33, and the inner locking ring 33 and the inner steel strand 10 are connected more stably and reliably; one end of the inner locking ring 33 is connected with the main locking ring 31, and the other end of the inner locking ring 33 passes through the auxiliary locking ring 32, so that the two ends of the inner locking ring 33 are conveniently fixed; the main locking ring 31 and the auxiliary locking ring 32 are detachably connected, the main locking ring 31 and the auxiliary locking ring 32 are used for clamping the plurality of outer steel strands 20, the main locking ring 31 and the auxiliary locking ring 32 which are mutually independent are adopted in the scheme, and the inner locking ring 33 and the inner steel strands 10 are in interference fit through the arrangement, so that the novel ring tooth type double-sided locking structure is compared with the traditional ring tooth type double-sided locking structure, and the falling-off condition is not easy to occur, and the stability and the reliability of the structure are ensured.
Wherein, the inner locking ring 33 includes a first connector 331, a collar 332 and a second connector 333 connected in sequence, the first connector 331 is connected with the inner wall of the main locking ring 31, the inner steel strand 10 passes through the collar 332 and is in interference fit with the collar 332, and the second connector 333 passes through the auxiliary locking ring 32. By providing the first connection member 331, it is possible to connect with the inner wall of the main lock ring 31; the collar 332 is arranged, so that the inner steel strand 10 can pass through the collar 332, and the connection between the inner steel strand 10 and the collar 332 is more stable due to interference fit between the inner steel strand 10 and the collar 332; the second connector 333 is passed through the sub-locking ring 32 so that the sub-locking ring 32 can support the inner locking ring 33.
Specifically, the main locking ring 31 includes a main arc plate 311, and a first mounting block 312 and a second mounting block 313 respectively disposed at two ends of the main arc plate 311, and the auxiliary locking ring 32 includes an auxiliary arc plate 321, and a third mounting block 322 and a fourth mounting block 323 respectively disposed at two ends of the auxiliary arc plate 321, where the first mounting block 312 and the third mounting block 322 are detachably connected, and the second mounting block 313 and the fourth mounting block 323 are detachably connected. The main arc plate 311 and the auxiliary arc plate 321 are arranged to be matched with the shapes of the outer steel strands 20, so that a plurality of outer steel strands 20 can be clamped conveniently; the first mounting block 312 and the third mounting block 322 are detachably connected, and the second mounting block 313 and the fourth mounting block 323 are detachably connected, so that the connection mode is adopted, and the structural strength is ensured, and meanwhile, the mounting and the dismounting are convenient.
In this embodiment, the locking structure 30 further comprises teeth 34 provided on the outer wall of the main locking ring 31. Since the anchor cable is usually installed by drilling a hole in a wall and then adding a material such as resin, the material such as resin is crushed by providing the teeth 34 on the outer wall of the main locking ring 31.
Specifically, the supporting anchor cable further comprises a first backing plate 40, the first backing plate 40 is provided with an avoidance hole and an annular groove 41, the inner steel stranded wires 10 and the outer steel stranded wires 20 penetrate through the avoidance hole, the supporting anchor cable further comprises a plurality of first connecting blocks 50, the first connecting blocks 50 are slidably arranged in the annular groove 41, and the first connecting blocks 50 are arranged at intervals in the circumferential direction of the annular groove 41. The avoidance holes are formed, so that the avoidance effect on the inner steel strand 10 and the plurality of outer steel strands 20 can be achieved; an annular groove 41 is arranged, and the first connecting block 50 is slidably arranged in the annular groove 41, the annular groove 41 plays a limiting role on the first connecting block 50 in the axial direction, and the first connecting block 50 is prevented from falling off; the plurality of first connection blocks 50 are disposed at intervals in the circumferential direction of the annular groove 41, so that the connection with the external wire rope is more stable.
Optionally, the first backing plate 40 further has reinforcing blocks 42, two ends of the reinforcing blocks 42 are respectively connected to portions of the first backing plate 40 located at two sides of the annular groove 41, and the reinforcing blocks 42 are plural and the plural reinforcing blocks 42 are disposed at intervals. Wherein the first backing plate 40 further has a groove through which the first coupling block 50 is inserted into the annular groove 41.
Wherein the first connection block 50 includes a first slider 51 and a ring member 52 connected to each other, the first slider 51 is slidably disposed in the annular groove 41, the ring member 52 is located outside the annular groove 41, and the ring member 52 is for connection with an external wire rope. A first sliding block 51 is arranged and is used for being in limit fit with the annular groove 41 to prevent falling off; the ring 52 is provided and the ring 52 is located outside the annular groove 41 for connection with an external wire rope.
Alternatively, the annular groove 41 includes a first groove and a second groove that communicate with each other, the first groove having a width in radial section that is greater than the width in radial section of the second groove; the first sliding block 51 is of a T shape, the cross section of the annular groove 41 is of a T shape, and the first sliding block 51 and the annular groove 41 are in limit fit in the axial direction so as to limit the moving range of the first sliding block 51 in the axial direction and prevent the first sliding block 51 from falling off.
Further, the supporting anchor cable further comprises a first lock 60, the inner steel strand 10 and the plurality of outer steel strands 20 penetrate through the first lock 60, one sides of the first lock 60 and the first base plate 40, which are away from the locking structure 30, are abutted, and one ends of the inner steel strand 10 and the plurality of outer steel strands 20 are locked by the first lock 60. By providing the first lock 60, one ends of the inner steel strand 10 and the plurality of outer steel strands 20 can be locked; the first lock 60 abuts against a side of the first shim plate 40 facing away from the locking structure 30, so that a limiting effect can be exerted on the first shim plate 40 in the axial direction to limit the position of the first shim plate 40.
In this embodiment, the supporting anchor cable further includes a retaining collar 70, the retaining collar 70 is sleeved on the plurality of outer steel strands 20, an inner wall of the retaining collar 70 is fixedly connected with an outer wall of at least one outer steel strand 20, and the retaining collar 70 is located between the locking structure 30 and the first backing plate 40. The retainer clip 70 is disposed between the locking structure 30 and the first backing plate 40 such that after the teeth 34 crush the resin or the like, the resin or the like is retained by the retainer clip 70 to prevent spillage.
Optionally, the locking structures 30 are plural, and the plural locking structures 30 are disposed at intervals.
As shown in fig. 8 to 10, the second embodiment of the present invention provides a fixing structure, which includes an anchor rod 91, a metal net 92 and the supporting anchor cables, wherein one end of the anchor rod 91 is connected with the metal net 92, one end of the supporting anchor cable is connected with the metal net 92, the anchor rod 91 and the supporting anchor cables are multiple, and two adjacent anchor rods 91 and adjacent supporting anchor cables are distributed in a triangle shape. By adopting the scheme, the inner steel strand 10 passes through the inner locking ring 33 and is in interference fit with the inner locking ring 33, so that the inner steel strand 10 can be limited in the inner locking ring 33, and the inner locking ring 33 and the inner steel strand 10 are connected more stably and reliably; one end of the inner locking ring 33 is connected with the main locking ring 31, and the other end of the inner locking ring 33 passes through the auxiliary locking ring 32, so that the two ends of the inner locking ring 33 are conveniently fixed; the main locking ring 31 and the auxiliary locking ring 32 are detachably connected, the main locking ring 31 and the auxiliary locking ring 32 are used for clamping the plurality of outer steel strands 20, the main locking ring 31 and the auxiliary locking ring 32 which are mutually independent are adopted in the scheme, and the inner locking ring 33 and the inner steel strands 10 are in interference fit through the arrangement, so that the novel ring tooth type double-sided locking structure is compared with the traditional ring tooth type double-sided locking structure, and the falling-off condition is not easy to occur, and the stability and the reliability of the structure are ensured. And the two adjacent anchor rods 91 and the adjacent supporting anchor cables are distributed in a triangle, so that the supporting strength is improved, the metal net 92 can be always in a completely unfolded state, and meanwhile, the use quantity of the anchor rods 91 and the supporting anchor cables can be reduced, and the soil layer is prevented from being damaged.
The anchor rod 91 includes a rod body 911, and a second pad 912 and a second lock 913 sleeved on the rod body 911, the second pad 912 has a first arc slot 9121 and a second arc slot 9122 circumferentially distributed along the rod body 911, one side of the second lock 913 and one side of the second pad 912 are abutted, and the second lock 913 locks one end of the rod body 911. The second lock 913 is abutted against one side of the second pad 912, and the second lock 913 locks one end of the rod body 911, so that the second lock 913 can perform a limiting function on the second pad 912 in the axial direction, thereby limiting the position of the second pad 912.
Further, the anchor rod 91 further includes a second connection block 914 and a third connection block, one end of the second connection block 914 is slidably disposed in the first arc slot 9121, the other end of the second connection block 914 is connected to an external steel cable, one end of the third connection block is slidably disposed in the second arc slot 9122, and the other end of the third connection block is connected to the external steel cable. By arranging the first arc-shaped groove 9121 and the second arc-shaped groove 9122, the second connecting block 914 and the third connecting block can be respectively limited in the axial direction, and the second connecting block 914 and the third connecting block are prevented from falling off; a second connection block 914 and a third connection block are provided for connection with an external wire rope.
The fixing structure further comprises a first mounting ring 93 and a second mounting ring 94 which are distributed on the metal net 92, one end of the inner steel strand 10 in the supporting anchor cable is in sliding fit with the first mounting ring 93, and one end of the rod body 911 is in sliding fit with the second mounting ring 94; the supporting anchor cable further comprises a first baffle plate 80, the first baffle plate 80 is fixedly connected with the inner steel strand 10, and the first baffle plate 80 is matched with the first mounting ring 93 in a stop mode; the anchor 91 further includes a second baffle 915, the second baffle 915 being fixedly connected to the rod body 911, the second baffle 915 being in stop engagement with the second mounting ring 94. By adopting the connection mode, the first baffle 80 is matched with the first mounting ring 93 in a stop way, so that the supporting anchor cable is conveniently fixed on the metal net 92; the second retainer 915 and the second mounting ring 94 are snap fit to facilitate securing the anchor 91 to the wire mesh 92.
The advantages of this scheme are as follows:
1. according to the invention, the main locking ring, the auxiliary locking ring and the inner locking ring are used for locking the outer steel strand, the inner locking ring is used for locking the inner steel strand, the main locking ring is not connected with the outer steel strand by using a traditional spot welding mode, and the inner locking ring is in interference fit with the inner steel strand, so that the main locking ring is connected with the inner steel strand more stably, the auxiliary locking ring can be detached from the main locking ring, and the main locking ring and the auxiliary locking ring are combined to replace the traditional ring teeth, so that the stability of the structure is greatly improved;
2. according to the invention, the supporting strength is improved by using the supporting anchor cable and the triangular distribution mode of the anchor rods, and meanwhile, the use quantity of the anchor rods and the supporting anchor cable can be reduced, so that the soil layer is prevented from being damaged.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A support cable, comprising:
an inner steel strand (10);
a plurality of outer steel strands (20), wherein the outer steel strands (20) are arranged at intervals along the circumferential direction of the inner steel strand (10);
the locking structure (30), the locking structure (30) comprises a main locking ring (31), an auxiliary locking ring (32) and an inner locking ring (33), two ends of the main locking ring (31) are detachably connected with two ends of the auxiliary locking ring (32) respectively, a plurality of outer steel strands (20) penetrate through a cavity formed by the main locking ring (31) and the auxiliary locking ring (32) in a surrounding mode, the main locking ring (31) and the auxiliary locking ring (32) clamp a plurality of outer steel strands (20), one end of the inner locking ring (33) is connected with the main locking ring (31), the other end of the inner locking ring (33) penetrates through the auxiliary locking ring (32), and the inner steel strands (10) penetrate through the inner locking ring (33) and are in interference fit with the inner locking ring (33);
the inner locking ring (33) comprises a first connecting piece (331), a lantern ring (332) and a second connecting piece (333) which are sequentially connected, the first connecting piece (331) is connected with the inner wall of the main locking ring (31), the inner steel stranded wires (10) penetrate through the lantern ring (332) and are in interference fit with the lantern ring (332), and the second connecting piece (333) penetrates through the auxiliary locking ring (32);
the locking structure (30) further comprises convex teeth (34) arranged on the outer wall of the main locking ring (31);
the supporting anchor cable further comprises a first base plate (40), the first base plate (40) is provided with an avoidance hole and an annular groove (41), the inner steel strands (10) and the outer steel strands (20) penetrate through the avoidance hole, the supporting anchor cable further comprises a plurality of first connecting blocks (50), the first connecting blocks (50) are slidably arranged in the annular groove (41), and the first connecting blocks (50) are circumferentially arranged at intervals in the annular groove (41);
the first connecting block (50) comprises a first sliding block (51) and an annular piece (52) which are connected with each other, the first sliding block (51) is slidably arranged in the annular groove (41), the annular piece (52) is positioned outside the annular groove (41), and the annular piece (52) is used for being connected with an external steel cable;
the supporting anchor cable further comprises a first lock (60), the inner steel strands (10) and the outer steel strands (20) penetrate through the first lock (60), the first lock (60) and the first base plate (40) are abutted against one side, deviating from the locking structure (30), of the first base plate, and the first lock (60) locks one ends of the inner steel strands (10) and the outer steel strands (20).
2. The supporting anchor cable according to claim 1, wherein the main locking ring (31) comprises a main arc-shaped plate (311) and a first mounting block (312) and a second mounting block (313) which are respectively arranged at two ends of the main arc-shaped plate (311), the auxiliary locking ring (32) comprises an auxiliary arc-shaped plate (321) and a third mounting block (322) and a fourth mounting block (323) which are respectively arranged at two ends of the auxiliary arc-shaped plate (321), the first mounting block (312) and the third mounting block (322) are detachably connected, and the second mounting block (313) and the fourth mounting block (323) are detachably connected.
3. The support cable according to claim 1, further comprising a retaining collar (70), said retaining collar (70) being arranged around a plurality of said outer strands (20), an inner wall of said retaining collar (70) being fixedly connected to an outer wall of at least one of said outer strands (20), said retaining collar (70) being located between said locking structure (30) and said first backing plate (40).
4. A fixing structure, characterized in that, fixing structure includes stock (91), metal mesh (92) and claim 1 to 3 any one of the anchor rope that struts, wherein, stock (91) one end with metal mesh (92) are connected, support anchor rope one end with metal mesh (92) are connected, stock (91) with support anchor rope is a plurality of, two adjacent stock (91) and adjacent support anchor rope are triangle-shaped and distribute.
5. The fixing structure according to claim 4, wherein the anchor rod (91) comprises a rod body (911) and a second base plate (912) and a second lock (913) which are sleeved on the rod body (911), the second base plate (912) is provided with a first arc-shaped groove (9121) and a second arc-shaped groove (9122) distributed along the circumferential direction of the rod body (911), one side of the second lock (913) and one side of the second base plate (912) are abutted, and the second lock (913) locks one end of the rod body (911).
6. The fixing structure according to claim 5, wherein the anchor rod (91) further comprises a second connection block (914) and a third connection block, one end of the second connection block (914) is slidably disposed in the first arc-shaped groove (9121), the other end of the second connection block (914) is for connection with an external wire rope, one end of the third connection block is slidably disposed in the second arc-shaped groove (9122), and the other end of the third connection block is for connection with an external wire rope.
7. The fixing structure according to claim 5, further comprising a first mounting ring (93) and a second mounting ring (94) distributed on the metal mesh (92), wherein one end of the inner steel strand (10) in the supporting anchor cable is in sliding fit with the first mounting ring (93), and one end of the rod body (911) is in sliding fit with the second mounting ring (94); the supporting anchor cable further comprises a first baffle (80), the first baffle (80) is fixedly connected with the inner steel strand (10), and the first baffle (80) is matched with the first mounting ring (93) in a stop mode; the anchor rod (91) further comprises a second baffle (915), the second baffle (915) is fixedly connected with the rod body (911), and the second baffle (915) is matched with the second mounting ring (94) in a stop mode.
CN202210412249.8A 2022-04-19 2022-04-19 Supporting anchor cable and fixing structure Active CN114808695B (en)

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